Network design – Rockwell Automation 193-DNENCATR EtherNet/IP Communications Auxiliary User Manual User Manual
Page 12
12
Rockwell Automation Publication 193-UM014B-EN-P December 2011
Chapter 1
Network Design
The EtherNet/IP Communications Auxiliary is available as a single Ethernet port
(Cat. No. 193-DNENCAT) and dual Ethernet port (Cat. No.
193-DNENCATR) module that has RJ-45 ports to connect to Ethernet cable
CAT5 type or better . Rockwell Automation offers a wide variety of
Allen-Bradley Ethernet patch cables with its Bulletin 1585 line of Ethernet cables
(
http://ab.rockwellautomation.com/Connection-Devices/RJ45-Network-
Media
).
Both the 193-DNENCAT and 193-DNENCATR devices support a Star
Ethernet topology in which all Ethernet nodes wire back to a central Ethernet
switch, hub, or router as shown in
Figure 5 on page 12
.
Figure 5 - Star Ethernet Topology
Rockwell Automation also offers a line of managed and unmanaged
Allen-Bradley Ethernet Switches with its Stratix™ family of Ethernet switches.
Refer to
http://ab.rockwellautomation.com/Networks-and-Communications/
Ethernet-IP-Infrastructure
for more information.
The Cat. No. 193-DNENCATR Module also supports a Ring Ethernet topology
in which all Ethernet nodes are wired in series with one another until a complete
network ring is made as shown in
.